<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>

<div id="app">
    <h2 v-bind:style="[baseStyle,baseStyle1]">{{message}}</h2>
</div>

<script src="../js/vue.js"></script>
<script>
    const vue = new Vue({
        el:'#app',
        data:{
            message:'你好呀',
            baseStyle:{backgroundColor:'red'},
            baseStyle1:{fontSize:'100px'},
        }
    })
</script>
</body>
</html>